3138019 has 4 divisors (see below), whose sum is σ = 3147120. Its totient is φ = 3128920.

The previous prime is 3137999. The next prime is 3138029. The reversal of 3138019 is 9108313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9108313 = 127 ⋅71719.

It is a cyclic number.

It is not a de Polignac number, because 3138019 - 2⁹ = 3137507 is a prime.

It is a super-2 number, since 2×3138019² = 19694326488722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3137984 and 3138002.

It is not an unprimeable number, because it can be changed into a prime (3138029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (786780).

Almost surely, 2^3138019 is an apocalyptic number.

3138019 is a deficient number, since it is larger than the sum of its proper divisors (9101).

3138019 is an equidigital number, since it uses as much as digits as its factorization.

3138019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3138019 is about 1771.4454549887. The cubic root of 3138019 is about 146.4036338145.

The spelling of 3138019 in words is "three million, one hundred thirty-eight thousand, nineteen".